These are usually a check on what you have learned during the term.

Some subjects (sciences) have checks every few weeks.

Marks for end-of-term exams sometimes count towards your final course result.

If they do count, you should prepare for the exam as normal.

Even if they don't, the exam is a good chance to practise and learn.

End-of-term exams are not usually popular - but ...

They give you a chance to practise your exam techniques.

They can be useful at a later stage of the course.

A good result might make up for a piece of work you miss later.

They also give you an idea of your progress on the course, and tell you what you need to revise.